Rotary deep-well pump.



M. T. CHAPMAN.

ROTARY DEEP WELL PUMP.

APPLICATION FILED OCT. II. 1915.

1,291,407. Patented Jan.14,1919.

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ROTARY DEEP WELL PUMP.

APPLICATION FILED OCT. ll. I915.

Patented Jan. 14,1919.

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\ \fllllui M. T. CHAPMAN.

ROTARY DEEP WELL PUMP.

APPLICATION FILED OCT. 11. 1915.

- 1 ,29 1 ,40'7. Patented Jan. 14, 1919.

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166 771m 1' WWW,

M. T. CHAPMAN. I

ROTARY DEEP WELL PUMP.

APPLEfiATION FILED OCT. 11. 1915.

Patented J an. 14, 1919.

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ROTARY DEEP WELL PUMP.

APPLICATION FILED OCT. H. 1915.

M. T. CHAPMAN.

ROTARY DEEP WELL PUMP.

APPLICATION FILED OCT-H.19I5.

Patented Jan. 14, 1919.

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ED STATES PATENT OFFICE.

MATTHEW '1. CHAPMAN, OF AURORA, ILLINOIS.

ROTARY DEEP-WELL PUMP.

Specification of Letters Patent.

Patented Jan. 14, 1919.

Application filed October 11, 1915 Serial No. 55,264.

To all whom. it may concern:

Be it known that I, MATTHEW T. CH AP- MAN, a citizen of the United States, residing at Aurora, in the county of Kane, State of Illinois, have invented certain new and useful Improvements in Rotary DeeplVell Pumps, of which the following is a specification, reference being had to the accompanying drawings.

with the. well tube in cases where the well tube is such as to be capable of being utilized as the water discharge pipe, or with an auxiliary water discharge pipe hung in the well where such an expedient is deemed necessary or desirable. It is one of the objects of my invention to provide a new and improved form and arrangement of supporting and driving means for the pump shaft. It is another object of my invention to provide improvements in the means for lubricating the shaft supportingand driving means at the top of the well and to provide improvements in the means for lubricating the bearings of the shaft down in the well. It is another object of my invention to provide a new and improved means in connection with the shaft-protecting casing for preventing the escape of lubricant therefrom, in a direction opposite to the normal movement of the lubricant, at the time when the operation of the pump is stopped for any reason. It is another object of my invention to provide an improved form of valve between the water discharge casing and the shaft-protecting casing adapted to permit the entrance of water into the shaft protecting casing but to prevent its escape therefrom. It is another object of my invention to provide a new and improved form of coupling between the several cylinders where a plu-v rality of cylinders are used, such coupling providing suitable bearings for the pump shaft. It is another object of my invention to provide new and improved means for spacing the runners or impellersof a pump of this type relative to each other and for holding them in proper position in the cylinders. It is another object of my invention to provide a new and improved form of diffuser adapted to be used betweenthe adjacent runners of a series of runners adapted to cooperate with said runners for lifting a maximum amount of water through a'comparatively small cylinder. It is another object of my invention to improve devices of this type in sundry details hereinafter pointed out. The preferred means by which I have accomplished my several objects are illustrated in the drawings and are hereinafter specifically described. That which I believe to be 'new and desire to cover by this application is set forth in the claims.

In the drawings Flgure 1 is a central vertical section illustrating the upper portion of the shaft supporting and driving mechanism at the top of the well; I

Fig. 2 is a central vertical section through the lower portion of the shaft supporting mechanism and through the upper end of the well tube, showing a continuation down-.

ward of the parts shown in Fig. 1;

Fig. 3 is a central vertical section through the upper elements of the water raising means;

the wer elements of the water raising means, being a downward continuation .of Fig. 3;

Figs. 5, 6 and 6 are horizontal cross-sec- F ig. 4 is a central vertical section through it tions taken substantially on lines 55, 6 6

and 66, respectively, of Fig. 3;

Fig.7 is a side'view of a pair of spacing rings employed between adjacent diffuser heads;

Fig. 8 is a view, partly in section, showing the coupling device by which adjacent cyle inders are connected, and showing the means employed for holding the packing parts against unscrewing;

Fig. 9 is a side view of one of the diffuser heads employed showing the means employed for holding such head against rot-ation;

Figs. 10 and 11 are horizontal cross-sections taken substantially on the line 10-10 of Fig. 3, and the line 1111 of Fig. 4, respectively;

Fig. 12 is a central vertical section throu h my improved valve opening into the shaftprotecting casing;

Fig. 13 is a horizontal section through my valve, being taken substantially on line 13-13 of Fig. 12;

Fig. 14; is a fragmentary view correspondtions taken substantially on lines 15-15 and 16-16, respectively, of Fig. 3; and

Fig. 17 is a view illustrating my improved pumping means in position in a crooked well.

Referring to the several figures of the drawings in which corresponding parts are indicated by the same reference characters,-

25 indicates a base-plate secured at the top of the well, having secured to its lower face the discharge-T 26 which is connected,- as hereinafter described, with the water-discharge casing. Mounted upon the base-plate 25 is a framework comprising a casing 27 in which the means for operating the pump shaft 29 is mounted. This means comprises a driving shaft 28 mounted in vertical position in suitable bearings 3031 and supported in position relative to such bearings by collars 32 secured on the shaft by means of sunken set-screws. As shown in Fig. 1 the bearing 31 is supported by a transversely-extending plate 33 which closes the lower end of the casing 27 about the driving shaft 28, being .provided for this purpose with suitable packing 34 held in position by an adjustable gland 35. The drive shaft 28 is provided with spiral pinions 36-37 which mesh with spiral gears 38-39, respectively, mounted upon a countershaft 40 which is j ournaled in bearings 41-42. The spiral gears 3839 have their teeth arranged in opposite directions so as to take care of all play and end thrust of the shafts 28 and 40. The shaft 40 is driven from a horizontally-extending shaft 43 by means of bevel gears 4445 mounted on said shafts, the shaft 43 being adapted to be driven from any suitable source of power. The shaft 43 1s mounted at its inner end in a bearing 46. A packing 47 surrounds the shaft 43 adjacent to the bearing 46, such packing being held adjustably in position by means of a gland 48. The drive shaft 28 is connected to the pump shaft 29 by means of a flexible connection 49 of any suitable type. The casing 27 is adapted to be provided with a quantity of oil or other lubricant provided especially for the bearings 3142, but adapted to keep all of the running parts properly lubricated. Lubricant under pressure is also adapted to be provided to the bearings 30, 41 and 46 by means of a pipe 50 having branches'leading to said bearings. Each of the branches from the pipe 50 is provided with a valve 51 of any suitable type by which the supply of lubricant under pressure thereto can be easily regulated.

In the construction shown, the casing 27 is supported by a plate 52 which in turn is supported by legs 53 from the base-plate 25.

Surrounding the pump shaft 29 between the plates 52 and 25 are three casings 54, 55 and menace 56 which support the several bearings provided for the upper end of the pump shaft 29. The uppermost bearing 57 is supported by a plate 58 which rests loosely upon an an nular plate 59 formed with the casing 54. An anti-friction thrust bearing 60 is provided below the bearing 57, being supported by an annularplate 61 also formed integrally with the casing 54. The anti-friction end thrust bearing 60- as shown is in the form of a roller bearing adj ustably mounted on the shaft 29 by means of a nut 62 and a jam-nut 63. The bearing 57 is adapted to be lubricated by a branch pipe 64 leading from the lubricant pipe 50, such branch pipe being provided with a valve 65 for controlling the flow therethrough. The lubricant from the bearing 57 is adaptedto pass downward to the end thrust bearing 60 so as to keep it properly lubricated. If prefer-red, a proper supply of lubricant can be provided inthe casing 54 above the plate 61 through a port 66. A gage 67 is provided for showing the depth of the lubricant maintained about the V bearing 60, such gage comprising a wastecock 68 of any suitabletype.

A plurality of anti-friction hydraulibearing mechanisms are provided for the shaft 29, in the'construction shown two of such bearings bein employed supported by annular plates 69- 0 formedintegrally with the casing members 5556, respectively. These liquid bearings are substantially of the type illustrated in my application for Letters Patent of the United States. Serial No. 16,101, filed March 22., 1915. Each of these liquid bearings comprises a runner 71 provided with vanes 72 on its upper face adapted upon the rotation of the runner 105 with the shaft 29 to force water. or other liquid supplied through one of the pipes 73 downward about the runner within the casing formed by the members 7 4-7 5 and out therefrom through one of the pipes 76. The runner is smooth on its under side to avoid centrifugal action. 'The pressure on the upper side of said runner increases from the hub to the rim, caused by the rotation of the centrifugal vanes on the upper side, While the pressure on the smooth under-side is uniform and. equal to that at the rim of the runner. An unbalanced upward pressureis thereby created. The runners 71 are adjustably mounted upon the shaft 29 by means of nuts 7778. Adjustable stuflingboxes 79 are mounted upon the casing members 74 about the shaft 29, being adapted to be locked in position thereon by jam-nuts 80; Antifriction bearings 81 of. any suitable type are interposed between the rotating nuts 77 and the stationary stufling-boxes79 so as to reduce thefriction to a minimum."

Suitable packing 82 is mounted in each of poses.

83. The pipes 73 are connected at their upper ends with a'tank 84 from which such pipes are adapted to obtain a suitable supply of water or other lubricant which is drawn in from the tank by the suction of the runners 71. The water or other lubricant forced outward by the runners 71 through the pipes 76 is delivered to a pressure tank 85 from which it is delivered by a pipe 86 into the tank 84. The tankv 84 is provided with a gage 87 for showing the depth of wateror other lubricant therein.

It will be understood that the lubricant drawn from the tank 84 through the pipes 73 and delivered again to such tank through the pipes 76, pressure tank 85 and the pipe 86 would be suflicient without an additional supply of lubricant except as such'lubricant is lost or is drawn off for other pur- The supply of lubricant in the tank 84 is adapted to be maintained from any suitable source in any suitable manner; Adjustable valves 88 are provided for controlvalve 90 for assisting in controlling the.pres-' sure in the pressure tank 85.

Passing upward through a suitable ope ning in the base-plate 25 about the pump shaft 29 there is a shaft-protecting casing 91 supported in position from such plate by means of a nut 92 and a screw-threaded cap 93 serving as a jam-nut. The upper end of the cap 93 is provided with suitable packing 94 about the shaft 29 adapted to be held in position by .an adjustable gland 95. As iswell understood in the art, the shaft-protecting casing 91 is adapted to extend downward about the shaft 29 to the pumping elements mounted upon the lower end of the shaft, being provided for the purpose of protecting the bearings of the shaft 29 against being cut by the sand and grit carried by the water being pumped. The shaftprotecting casing 91 is also utilized for conducting clear water or other lubricant under pressure to the shaft bearings for lubri cating the bearings, for flushing out any foreign matter which may have worked into the bearings, and by its passage out-ward under pressure through the bearings for preventing the passage inward through the bearings of the water being pumped with the sand and grit carried thereby.

In the construction shown, lubricant is adapted to be supplied to the shaft-protecting casing 91 from the pressure tank 85,

such supply being furnished through a line,

of piping 96 connected with the tank .85 near its lower end, and having a suitable connection with the cap 93. The line of pipe 96 comprises a valve 97 by which the opening through the pipe may be adjusted for controlling the amount of lubricant supplied under pressure from the tank 85. In the construction shown, the pipe 50 at its lower end communicates with the pipe 96 whereby a suitable supply of lubricant under pressure is supplied -.to said pipe from the tank 85. A shut-ofi'walve 98 is provided for regulating'the'flow of lubricant through the pipe 50. Check-valves 99100 ar'e pr0- vided in the line of piping 96, one on each side of the connection of the pipe 50 to the pipe 96, each of saidcheck-valves being of a type to permit the flow of lubricant from the tank to the casing 91 and to the pipe 50, but so as to prevent a flow in the reverse direction. A. regulating valve 101 is provided in the pipe 96 adjacent to the check-valve 100.

Means is provided in 'the line of piping 96 for showing the amount of lubricant.

passing through said pipe, such means being serviceable when oil is being used as a lubricant. This indicating means comprises a glass cylinder 102 interposed as a sectionof the piping adjacent to the regulating valve 101. The glass cylinder 102 is to be kept substantially filled'with water which is -prevented from escaping downward therefrom by the check-valve. 100. Then as the oil emerges from the valve 101 it forms in drops which can be seen passing upward through the water.

.Near its upper end, as shown in Fig. 2, the shaft-protecting casing 91 is provided with an inlet valve comprising a section of rubber tubing 103 (see Figs. 12, 13 and 14) held inside of the casing 91 oppositea plurality of openings 104 formed in the wall of said casing 91 at one side thereof. The

rubber tubing 103 is held in position in the construction shown by a ring 105 secured to the casing 91 by rivets 106. About .the pipe 91 covering the openings 104 there is a screen'107, being formed in the construction shown of a wire netting, preferably made of copper or other non-corrosive wire. In

the construction shown the screen 107 is held in position by means of rings 108 formed of solder or any'other suitable material. When the pressure of water on the outside of the casing 91 exceeds the pressure within such casing, the tube 103 is free to give inward, as illustrated in Fig. 14, so as to permit a supply of water to pass through the strainer 107 and through the holes 104. The tube 103 is adapted, however, to prevent any movement of with the telescoped parts by-means of collars or flanged rings 113 adapted to be adjusted by bolts 114 relative to the ends of the sleeve 110. In sinking a well the last section added to the well tube will frequently project up too far to permit the discharge member 26 to be correctly positioned if screwed on to that last section. Such section must, therefore, be shortened by cutting, and as it is not practical to then form a screw-thread upon it other means have to be adopted for securing the member 26 in place. The means devised by me make a very effectual connection as the flaring surfaces of the end flanges of the sleeve and the corresponding flaring surfaces of the collars 113 that oppose suchend flanges, respectively, furnish spaces of a character that will cause the packing 111 to be forced very firmly against the pipe surfaces when the bolts 114 are tightened. Furthermore, as is illustrated in Fig. 2 it is not necessary that the ends of the parts that are within the sleeve should be in contact; indeed, they may be separated quite widely and yet have a non-leaking joint between them.

The lower end of the shaft-protecting casing 91 is provided with a coupling sleeve 115 by which a head 116 is connected thereto, which in turn is connected by arms 117 with a sleeve 118 which is connected by means of screw-threads with a runner cylinder 119. The space between the cylinder 119 and the .well tube or water-discharge pipe 109 is closed by means of an annular packing ring 120, preferably of rubber or composition. The packing ring 120 is connected to the cylinder 119 by means of a sleeve 121 mounted by means of screwthreads in the upper end of the cylinder- 119, such packing ring being adapted to bear yieldingly or flexibly against the inner face of the well tube 109. The packing ring 120 is connected tothe sleeve 121 by means of a ring 122 and rivets 123. By turning the sleeve 121 firmly down against the sleeve 118 these parts are mutually locked against rotation in the cylinder 119.

The lower end of the cylinder 119 is connected by means of a coupling sleeve 124 with the upper end of a second runner cylinder 125. As will be readily understood, by screwing the cylindersl19-125 .1; n y intQ tending arms 126 supports a hub 127 promemo? contact with each other upon the screwthreaded sleeve 124, the cylinders are locked against unscrewing therefrom. The coupling sleeve 124 by means of radially-exviding a bearing for the shaft 29. Caps 128-129 are secured by means of screwthreads upon the upper and lower ends of the hub 127, respectively, providing adjustable supports for suitable packings 130131. The outer peripheries of the caps 128129 are notched, as best shown in Fig. 8, for the reception of the ends of a vertically-extending bar 132 which is removably secured upon the hub 127, the bar 132 serving thus to hold the caps in any desired adjusted position against rotation. As is shown in Fig. 3, the section of pump shaft 29 which extends downward from the shaft-protecting casing 91 is provided with a central bore 133 by which the water -or other lubricant under pressure in the shaft-protecting casing 91 is carried downward through the shaft to the bearing 127, suitable ports 134 and 134 being provided between the bore 133 and the exterior of the shaft for permitting the entrance of lubricant thereto and escape of the lubricant to the bearings provided by the head 116 and the hub 127. As shown in Fig. 6 the port 134 is arranged tangentially relative to the bore 133 whereby upon the rotation of the shaft in counterclockwise direction in that figure there is a tendency to force lubricant into the port 134.

Slidably mounted upon the coupling sleeve 124 are a series of spacing rings 135 and diffuser heads 136, above which is mounted a sleeve 137 having a screw-threaded connection with the cylinder 119. The sleeve 137 is provided on its upper edge with a plurality of notches 138 for the application of a suitable .tool thereto for tightening the ring downward for holdin the series of spacing rings 135 and the di user heads 136 firmly down relative to the sleeve 124 whereby the difiuser heads are held against rotation. To further insure the diffuser heads against rotation, I have provided in the outer periphder 119. The grooves 139 are preferably to have only sufiicient downward trend to cause the balls 140 to move normally toward the shallower ends of such grooves. The spacing rings are preferably split, as shown in Fig. 7, whereby they tend to fit snugly against the walls of the cylinder 119.

Mounted upon the shaft 29 within the no of the hubs 141 is caused to rotate with the shaft 29 by means of two keys or feathers 143144, as best shown in Fig. 15, the lowermo'st keys 143144 serving to lock the lowermost hub 141 against downward movement relative to the shaft.

The runners or impellers comprise a plurality of curved blades 145, in the construction shown eight of such blades being providedin each runner. Secured to the lower edges of the blades 1450f each runner is an annular plate 146 by which access of the water being pumped tov the lower edges of the blades 145 is restricted to the inner portions of such blades. As is best shown in Fig. 15, the blades 145 are curved so as to direct the water outward and upward .when the runner is rotated in counterclockwise direction in Fig. 15. As is best shown in Fig. 16, each of the diffuser heads 136 comprises a plurality of blades 147, in the construction shown six of such bladesbeing employed. The upper edges of the blades 147 of each difiuser head are joined together by an annular plate 148 which covers the outer edges of such blades, as is best shown in Fig. 10. The blades 147 are curved in such a manner that water brought in contact with such blades from below and moving in counterclockwise direction in Fig. 16 is forced. u

, ward and inward. The spacing rings 15 serve bothto space the diffuser heads 136 relative to each other and also to prevent the 'free escape of water about the outer ed es of the plates 146. The plates 148 of the iffuser heads and a plate 148 below the lower- 'most runner serve to prevent the free downward movement of such water as escapes about the edges of the runners.

The cylinder 125 is provided with a series of diffuser heads 149 suitably spaced apart by means of spacing rings 150. The uppermost/diffuser head 149 is located in contact with the lower edge of the coupling sleeve 124, and the series of diffuser heads and spacing rings is adapted to be tightened against the coupling sleeve 124 by means of a sleeve 151 secured by means of screw-threads near the lower end of the cylinder 125. Runners or impellers 152 are mounted upon the shaft 29 below the diffuser heads 149, respectively. Each of these impellers is caused to rotate with the shaft 29 by means of two suitable keys 152*, the lowermost runner 152 being secured firmly in position against downward movement relative to theshaft by means of such keys. Sleeves 153 are employed for suitably spacin the runners 152 upon the shaft, and a p ate 149 is provided corresponding to the plate 148 of cylinder 119.

Inasmuch as the construction and operation of the impellers, the diffuser heads and the spacing rings in the cylinder 125 are the same as already described in connection with similar parts mounted in the cylinder 119, it is believed to be unnecessary to describe them further herein. The sleeve 151 by which the diffuser heads are tightened in the cylinder 125 against the coupling sleeve 124 is locked in position in the cylinder 125 by a screwthreaded collar 154 mounted in the lower end of the cylinder. To further hold the collar 154 against rotation and to hold the cylinder 125 against vibration laterally in the well-tube 109, I have provided looped spring-bars 155-156 which yieldingly engage the inner face of the well-tube 109, such looped bars being mounted-at their upturned ends upon the collar 154.

The sleeve 151 is provided with inwardlyextending arms 157 connected at their inner ends to a hub 158 providing a suitable bearing for the shaft 29. Mounted upon the upper end of the hub 158 is a cap 159 similar to the caps 128129 mounted upon the hub 127, providing a retainer for a suitable packing 160. Upon the lower end of the hub 158 is mounted a cap 161 providin a retainer for a suitable packing 162 an providing also a housing about the lower end of the shaft 29. The caps 159 and 161 are notched for the reception of the ends of a lockingbar, such as the bar 13; shown in Fig. 8, for holding such caps against unscrewing. The lower end of the cap 161 is provided with 100 ports 163 adapted to be closed by a springmounted valve 164 adapted to open downward upon the application of pressure against its upper face. Suitable ports 165 are provided leading from the central bore 105 133 of the shaft 29 to the interior of the bearing provided by the hub 158.

By the use of a bearing for the shaft 29 between the two series of runners, the shaft is held properly in central position serving 110 thus to cut down to a minimum any friction between the runners and the adjacent parts.

By reason of suspending the pumping means down in the well upon the shaft andshaft-protecting casing, I am enabled to obtain-good results regardless of any slight curvature in the well itself, inasmuch as the shaft and pumping means will center themdu'ced in the Well tube 109 by the head of water being raised. By reason of such excess of pressure in the casing 91 and in the bore 133 of the shaft 29, the water pumped will be prevented during the operation of the pump from entering through the bearings provided by the hubs 127 and 158. Upon the cessation of the pumping operation, however, the pressure is likely at any time to become greater within the Well tube 109 about the bearings than that within the casing 91 and the bore 133. If the valves 103 and 99, or their equivalents, were not employed, by reason of the excessive PI'BS? sure on the outside of the bearings the water being pumped would work its way in through the bearings, carrying with it more or less of the sand or grit pumped up with the water. By the provision of the valves 103 and 99, any excessive pressure on the outside of the bearings is incapable of forcing the contents of the shaft-protecting cas- 1 ing 91 upward and out either through the holes 104: or through the pipe 96, with the result that the entrance through the bearings of the water being pumped is prevented. By the provision of openings 104 into the pipe 91 substantially at its lower end, the pressure between the interior and the I exterior of the shaft-protecting casing91 is I adapted to equalize itself quickly and readily by the entrance of water from the well tube 109 through such openings 104 when the pressure on the outside of the casing 91 is greater than that on-the interior of such casing.

' By the protision of the ports 163 in the lower end of the cap 161 opening downward to the suction of the pump, 1 have provided for the escape of the lubricant at the lower end of the shaft as forced downward by the pressure and as drawn downward by the suction of the pump, such lubricant being adapted to carry out with it any wearings or other foreign matter which may have been forced through the shaft-protecting casing and the port 133 of the shaft;

By the use of a plurality of liquid bearing mechanismsfor supporting: the shaft 29 in lieu of a single liquid bearing inechan-ism, I have provided suitable means for supporting the shaft and the parts bearing thereon regardless of the depth of the well or the size of the pump, the use of a plurality of mechanisms being preferable in order to limit the diameter of the surface of the runner, thus cutting down the heating effect upon the lubricant employed. 7

What 1 claim as my invention and desire to secure by Letters Patent, is

1. In a deep well pump, the combination of a water-discharge casing,'a cylinder suspended in said casing and supported independently thereof, rotary pumping means for forcing water upward from said cylinder, a collar secured by means of screwthreads in the upper end of said cylinder, and a tapering flexible packing ring carried by said collar and extending diagonally outward into yielding contact with the walls of the. casing for closing the space between said cylinder and the walls of the casing.

2. ln a deep well pump, the combination of a well tube, a cylindersuspended in said well tube and supported independently ofthe well-tube and from its upper end only, a tapering flexible packing carried by said cylinder at its upper end extending diagonallyoutward into yielding contact with the walls of the well tube for closing the space between said cylinder and the well tube, and

rotary pumping means in said cylinder adapted to force water upward therefrom through said well tube.

3. In a deep well pump, the combination of a water-discharge pipe, a pump shaft extending downward therein, rotary pumping means driven by said shaft for raising water 1 through "said pipe, means for driving said shaft, a runner mounted on the shaft adapted to force a suitable fluid downward therefrom, a tank into which said runner is adapted to force said fluid, and mean-s for regulating the escape of such fluid from. said tank for controlling the upward pressure upon said runner.

4:. In a deep well pump, the combination of a water-discharge pipe, a pump shaft extending downward therein, rotary pumping means driven by said shaft for raising water through said pipe, means for driving said shaft, a casing about said shaft,;a runner mounted on said shaftin said casing adapted to force a supply of fluid downward through the casing, a tank, a pipe connecting said tank with said casingabove said runner, a closed tank, a pipe connecting said second tank with said casing below said runner, a pipe connecting said closed tank with said first-named tank, and means for regulating the movement of fluid from the casing below the runner to said first-named tank for con-' trolling the upward pressure upon said rnnner. v

5'. In a deep well pump, the combination of a water-discharge pipe, a pump shaft ex-' tending downward therein, rotary pumping means driven by said shaft for raising water through said pipe, means for drigving said shaft, a runner mounted on the shaft adapted to force a suitable lubricant downward therefrom, atank into which said lubricant of a water-discharge pipe,\a pump shaft extending downward therein, rotary pumping means driven by said shaft for raismg water through said pipe, means for driving said shaft, a runner mounted on the shaft adapted to force a supply of oil downward therefrom, a tank into which said oil is adapted to be forced by said runner, means for regulating the escapeof said oil from said tank for controlling the upward. pressure upon said runner, a pipe comprising a portion made of glass leading from said tank adapt- .ed to carry a supply of said oil from-said tank to. the bearings for said shaft, and a check-valve in said pipe below said glass" portion adapted to prevent the movement of fluid from saidpipe into said tank, the section of said pipe comprising the portion made of glass being adapted to be kept filled with "water whereby the rate of flow of oil therethrough in globules may be observed.

7. In a deep well pump, the combination of a shaft extending downward into a well,

pumping means operated by said shaft down in the well for forcing water upward out of the well, a protecting-casing about said shaft communicating with bearings 'for said shaft, meansfor supplying clean lubricant to said casing and meansfor preventing the es- I cape oflubricant from said casing except through said bearings, whereby the head of water pumped is prevented from forcingwater and grit into said casing through the bearings.

, 8. In a deep well pump, the combination of a shaftextending downward into a well, pumping means operated by said shaft down in the well for forcing'water upward out of the well, a protecting-casing about said shaft communicating with bearings for said shaft,

- means for supplying clean lubricant to said casing under pressure during the operation of the pump, and means serving upon the cessation of the operation of the pump. to prevent the escape of the lubricant from said casing except through said bearings whereby the head of water pumped is prevented from forcing water and grit .lnto said casing through the. bearings.

9. In a deepwell pump, the combination of a shaft extending downward into a well, a pumping means operated by said shaft down in the well for forcing water upward out of the well, a protecting-casin about said shaft communicating with bearlngs for said shaft, a pipe connected with said casing, means for forcing a lubricant under pressure through said pipe into said casing during the operation of the pump, and check-valve mechanism serving upon the cessation of the pumping operation to prevent the escape of lubricant from said casing through said pipe, the escape of lubricant from said casing otherwise being prevented except through said bearings whereby the head of water pumped is prevented from forcing water and grit into said casing through the bearings.

10. In a deep well pump, the combination of a shaft extending downward into a well, pumping means operated by said shaft down in the well for forcing water upward out of the well, a protecting-casing about said shaft communicating with bearings for said shaft,

.anopening in said casing leading to the head of water pumped, a strainer for preventing the entrance of sand and grit through said opening, and check-valve mechanism for preventing the escape of fluid from said casing through said opening, the escape of water or other lubricant'from said casing being otherwise prevented except through said bearings whereby the head of water pumped is prevented from forcing water and grit into said casing through the bearmgs.

11. In a deep well pump, thecombination of a shaft extending downward into a well, pumping meansoperated by said shaft down in'the well for forcing water upward out of the well, {a protecting-casing about-said shaft communicating with bearings for said shaft, an openin in the wall of said casing leading to the ead of water pumped, a strainer for preventing the entrance of sand and grit through said opening, and a sleeve mounted in sa1d casing comprising a flexible portion adapted to cover the inner end of the opening through the wall of said casing for preventing the escape of fluid from said casing through said opening.

12. In a deep well pump, the combination of a shaft extending downward into a well, pumping means operated by said shaft down in the well for-forcing water upward out of the well, a protecting-casing about said shaft communicating with bearings for said shaft, an opening in the wall of said casing leading to the head of water pumped, a strainer for preventing the entrance of sand and grit through said'opening, and a flexible sleeve mounted in said caslng over said opening for preventing the escape of fluid from the casing through the opening.

13. In a deep well pump, the combination of a shaft extending downward into a well,

' pumping means operated by said shaft down in the well for forcing water upward out of the well,'a protecting-casing about said shaft communicating with bearings for said shaft, an openingv in the Wall of said casing leading to the head of water pumped, a

strainer for preventing the entrance of sand and grit through said opening, and a section of rubber tubing held in position in said casing opposite said opening adapted to give inward for the entrance of Waterthrough the opening but adapted to prevent the escape of fluid from the casing through the opening.

14. In a deep well pump, the combination of a shaft extending downward into a well,

grit through said openings, and a plurality of check-valve mechanisms one for each of said openings for preventing the escape of fluid from said casing through said open- 1n '5.

l5. In a deep well pump, the combination of a shaft extending downward into a well, pumping means operated by said shaft down in the well for forcing water upward out of the well, a protecting-casing extending downward about said shaft, means for clos ing the lower end of said casing about said shaft above the Water raising elements, a longitudinally-extending opening through the section of shafting extending downward below said casing, and a portconnecting said longitudinal opening with the casing about the shaft, said port extending substantially tangentially relative to the longitudinal opening in the shaft.

16. In adeep well rotary pump, the combination of a water-discharge casing, a shaft extending downward therein, a cylinder located down in the well, a coupling sleeve secured by frneans of screw-threads in the lower end of said cylinder, a second cylinder secured by means of screw-threads upon said coupling sleeve below said firstnamed cylinder, rotary pumping means in each of saidcylinders adapted to cooperate for forcing water upward therefrom, and a bearing for said shaft supported by said coupling between the pumping means in one cylinder and the pumping means in the other cylinder.

17. In-a deep well rotary pump, the combination of a water-discharge casing, a shaft extending downward therein, a cylinder located down in the well, a coupling sleeve secured by 'means of screw-threads in the lower end of said cylinder, a secondcylmemo"? inder secured by means of screw-threads upon said coupling sleeve below said firstnamed cylinder, rotary pumping means in each of said cylinders adapted to cooperate for forcing water upward therefrom, a bearing for said shaft supported by said coupling between the pumping means in one cylinder and the pumping means in the other cylinder, and means for preventing the ,water being pumped from entering said bearing.

18. In a deep well rotary pump, the combination of a water-discharge casing, a shaft extending downward therein, a cylin der located down in the well, a coupling sleeve secured by means of screw-threads in the lower end of said cylinder, a second cylinder secured by means of screw-threads upon said coupling sleeve below said firstnamed cylinder, a rotary pumping means in each of said cylinders adapted to cooperate for forcing water upward therefrom, a bearing for said shaft supported by said coupling between the pumping means in one cylinder and the. pumping means in the other cylinder, and stulfing boxes one at each end of the bearing for preventing the water being pumped from entering said bearing 19. In a deep well rotary pump, the combination of a water-discharge casing, a shaft extending downward therein, a cylinder located down in the well, a coupling sleeve secured by means of screw-threads in the lower end of said cylinder, a second cylinder secured by means of screw-threads, upon said coupling sleeve below said first named cylinder, rotary pumping means in each of said cylinders adapted to cooperate for forcing water upward therefrom, a bearing for said shaft supported by said coupling between the pumping means in one cylinder and the pumping means in the other cylinder, means for protecting the ends of the bearing against the entrance of the water being pumped, and means for forcing clean fluid under pressure out through said bearing for preventing the entrance of the water being pumped.

20. In a deep well rotary pump, the combination of a water-discharge casing, a shaft extending downward therein, a cylinder 10- cated down in the well, a coupling sleeve secured by means of screw-threads in the lower end of said cylinder, a second cylinder secured by means of screw-threads upon said coupling sleeve below said first-named cylinder, rotary pumping means in each of said cylinders adapted to coiiperate for forcing water upward therefrom, a bearing for said shaft supported by said coupling between the pumping means in one cylinder and the pumping meansin the other cylinder, stg-boxes secured by means of screw-threads upon the ends of said bearing for preventing the water being pumped from entering the bearing, and means for preventing the unscrewing-of said stufling boxes from said bearing.

21. In a deep well rotary pump, the ,combination of a water-discharge casing, a shaft extending downward therein, a cylinder located down in the Well, a coupling sleeve secured by means of screw-threads in for preventing the water being pumped from.

entering the bearing, each of said stufiingboxes being notched on itsouter eriphery, and a key adapted to be fixed on said bearing engaging suitable notches of said stufling boxes for preventing said boxes from working loose on said bearing.

22. In a deep well pump, the combination of a water discharge casing, a shaft extending downward therein, rotary pumping means located down in the well and operatively connected with said shaft for forcing water upward through said discharge casing, a bearing for said shaft below said rotary pumping means, means for providing a housing in connection with said bearing about the lower end of said shaft, valve means adapted to permit the escape of fluid from said housing but adapted to prevent the extrance of fluid therethrough, and means for forcing clean fluid under .pressure outward through said bearing and through said valve means for preventing the entrance of the water being pumped.

23. In a deep well pump, the combination of a water-discharge casing, a shaft extending downward therein, a cylinder located down in the well, rotary pumping means in said cylinder for forcing water upward therefrom, a bearing for said shaft supported from said cylinder near the lower end of the shaft, means for preventing the water being pumped from entering said bearing, means for forcing clean fluid under pressure through a longitudinal bore in said shaft to said bearing and out through the bearing for preventing the entrance of the water being pumped, and a cap carried by the bearing member inclosing the lower end of the shaft and adapted to effectively close the lower end of the longitudinal bore of the shaft against the passage of the water being pumped upward into said bore but adapte .to permit the passage of lubricant downward from said bore '24. In a deep well pump, the combination of a water-discharge casing, a shaft extending downward therein, a cylinder located down in the well, rotary pumping means'in said cylinder for forcing water upward therefrom, a bearing for said shaft supported from said cylinder near the lower end of the shaft, means for preventing the water being pumped from entering said bearing, means for forcing clean fluld under pres sure through a longitudinal bore in said shaft to said bearing and out through the bearing for preventing the entrance of the water being pumped, and a cap carried by the bearing member about the lower end of the shaft comprising a valve adapted to open yieldingly downward.

25. In a deep well pump, the combination of a water-discharge casing, a shaft extending downward therein, a cylinder located down in the well within said water discharge casing, rotary pumping means in said cylinder for forcing water upward therefrom, and a yielding expansion member secured to the lower end of said cylinder contacting the walls of the water-discharge casing for holdin the cylinder laterally in position.

26. n a deep well pump, the combination of a well tube, a shaft extending downward therein, a cylinder suspended in said well tube and supported independently thereof, rotary pumping means in said cylinder for forcing water upward therefrom, and a yielding expansion member se cured to the said cylinder contacting the walls of the well tube for bracing the cylinder laterally in position.

27. In a deep well pump, the combina-- tion of a water-discharge casing, a shaft extending downward therein, a cylinder located down in the well within said water discharge casing, rotary pumping means in said cylinder for forcing water upward therefrom, a collar secured by means of screw-threads in the lower end of said cylinder, and a yielding looped member having its upper ends connected to said collar adapted to engage the walls of the waterdischarge casing for bracing the cylinder laterally in position.

28. In a pump, the combination of a cylin-' der, a' sleeve secured in one end of said cylinder, a spacin ring loosely mounted in said cylinder a ove said sleeve, a diffuser head resting on the spacing ring, a runner revoluble within said spacing ring below said diffuser head, and a sleeve secured by screw-threads in said cylinder above said diffuser head adapted for tightening the diffuser head toward said firstnamed sleeve for holding the said head against rotation.

29. In a ump, the combination of a cylinder, a s eeve secured in one end ofrsaid cylinder, a plurazllty of split spacing rings I preventing the movement of the water down about the outer edge of the runner.

30. In a pump, the combination of a cylinder, a rotatable pump-shaft extending therethrough, a runner connected with said shaft and revoluble within said cylinder for forcing water upward therefrom, a diffuser head in said cylinder above said runner, said head comprising inwardly-projecting blades whose inner ends are at a distance from said shaft, means for holding said difiuser head in adjusted position vertically relative to said cylinder, and means adapted to permit free vertical adjustment of the difl'user head along the cylinder and adapted in any adjusted position to hold said diffuser head against rotation within the cylinder.

31. In a pump, the combination of a cylinder, a rotatable pump-shaft extending therethrough, a rumier connected with said shaft, a diffuser head in said cylinder adj a-- cent to said runner, said head comprising an annular member movably fitting within the cylinder and a plurality .of inwardly-lord jecting blades whose inner ends terminate at a distance from said shaft, and means for holding said head against rotation.

32. In 'a pump, the combination of a. cylinder, a rotatable pump-shaft extending therethrough, a runner connected with said shaft, a difiuser head in said cylinder adjacent to said runner, said head comprising an annular member movably fitting within the cylinder and a plurality of inwardlyprojecting blades whose inner ends terminate at a distance from said shaft, and means carried by said annular member of the head for engaging the cylinder to hold said head against turning.-

38. In a pump, the combination of a cylinder, a rotatable pump-shaft extending therethrough, a runner connected with said last-named blades being joined together. by an annular plate which covers the outer edges of such blades, and means for holding said head removably locked against turning. 34:.ln a pump,- the combination of a cylinder, a rotatable pump-shaft extending therethrough, a runner" connected with saidshaft and comprising a plurality of blades the lower edges of which carry an annular plate by which access of the water being pumped to the lower edges of such blades is directed to the inner portions of such blades, a difluser head in said cylinder adj acent to said runner, said headcomprising an annular member movably fitting within the cylinder and a plurality of inwardly;

projecting blades whose inner ends terminate at a distance from said shaft, said lastnamed blades bein' joined together by an annular plate whic covers the outer edges of such blades, and means projecting from the outer face of the annular member of the head for engaging the wall of the cylinder to hold said head removably locked against turning.

' 35. In a-pump, the combination of a cylinder, a sleeve secured in one end of said cylinder, a spacing ring loosely mounted in said cylinder above said sleeve, a diffuser head resting on the, spacing ring, a runner rev: oluble within said spacing ring below said difi'user head, a sleeve secured by screwthreads in said cylinder above said diffuser head adapted for tightening the diffuser 109 head toward said first-named sleeve for holding the said head against rotation, and other means assisting in holding the difi'user head against rotation in the direction in which the ruimer is driven.

l 36. In a pump, the combination of a cylinder, a coupling sleeve secured by means of screw-threads in the lower end of said cylinder, a second cylinder secured by means of screw-threads upon said coupling sleeve be- 110 low said first-named cylinder, a plurality of difi'user heads in said first-named cylinder,

a plurality of rings in said first-named cylinder spacing said diffuser heads from said coupling sleeve and from each other, a plurality of difiuser heads in said second cylinder, a plurality of rings in said second cylinder spacing said diffuser heads from each other, and screw-threaded sleeves one in each cylinder adapted for tightening the spacing 12o rings and difi'user heads toward said coupling sleeve for holding the difluser heads against rotation,

'37. In a rotary pump, thecombination of 'a cylinder, a runner revoluble in said cylinder adapted by its rotation to force water upward and outward toward the walls of the cylinder, and a diffuser head fixed in said cylinder above said rumier comprising a cylindrical portion fitted in said cylinder,

and a plurality of blades extending inward from said cylindrical portion, each of said blades being curved from a diagonally-extending position at its outer end to substantially a vertical position at its inner end.

38. In a rotary pump, the combination of a cylinder, a runner revoluble in said cylinder adapted by its rotation to force water upward and outward toward the'walls of the cylinder, and a diffuser head fixed in said cylinder above said runner comprising a cylindrical portion fitted in said cylinder,

and a plurality of blades formed integrally with said cylindrical portion and extending inward therefrom, each of said blades being curved from a diagonally-extending position at its outer end to substantially a vertical position at its inner end.

39. In a rotary pump, the combination of a cylinder, a runner revoluble in said cylinder adapted by its rotation to force water upward and outward toward the walls of the cylinder, and a diffuser head fixed in said cylinder above said runner comprising a cylindrical portion fitted .in said cylinder, a plurality of blades extending inward from said cylindrical portion and adapted to direct the water toward the center of the cylinder, and an annular plate secured to the upper edges of said blades near their outer en s.

40. In a rotary pump, the combination of a cylinder, a runner revoluble in said cylinder adapted by its rotation to force water upward and outward toward the walls of the cylinder, and a diffuser head fixed in said cylinder above said runner comprising a cylindrical portion fitted in said cylinder, and a plurality of blades extending inward from said cylindrical portion and forward relative to the direction of rotation of the runner, each of said blades being curved from a diagonally-extending position at its outer end to substantially a vertical position at its inner end.

41. In a deep well pumping means, the combination of a pumpcasing located below the surface of the earth, a water discharge casing connecting the pump discharge, a rotary impeller in said pump casing connected to a power driving shaft, said power shaft extending up through the water discharge casing andconnected to .power driving means above the top of said water discharge casing and being adapted to transmit power to said impeller for pumping purposes, a plurality of liquid thrust bearing impeller means mounted near the top of said power shaft and adapted to create a pressure for holding said power shaft and pumping means connected therewith in suspension, and water-tight casings having packing means at the top and bottom around said power shaft for inclosing said thrust bearing impeller means, said water-tight casings being connected to a supply of fluid lubricant by pipes and regulating means for conducting fluid to said impeller means and from them to a pressure tank, said thrust bearing means for sustaining said shaft each-consisting of a hub and an annular disk. and having centrifugal impeller blades on the upper side of the disk, said disks being smooth on their under sides to serve as thrust bearings to the said power driving shaft.

42. In a deep well pumping means, the combination of a pump casing located be low the surface of the earth, a water discharge casing connecting the pump discharge, a rotary impeller in said pump casing connected to a, power driving shaft, said power shaft extending up through the water discharge casing and connected to power driving means above the top of said water discharge casing and being adapted to transmit power to said impeller for pumping purposes, a plurality of liquid thrust bearing impeller means adjustable vertically and mounted near the top of said power shaft and adapted to create a pressure for holding said power shaft and pumping means connected therewith in suspension, watertight casings having packing means at thetop and bottom around said power shaft for inclosing said thrust bearing impeller means, said water-tight casings being connected to a supply fluid lubricant by pipes and regulating means for conducting fluid to said impeller means and from them to a pressure tank, said thrust bearing means for sustaining said shaft each consisting of a hub and an annular disk and having centrifugal impeller blades on the upper side of the disk, said disks being smooth on their under sides to serve as thrust hearings to the said power driving shaft, and auxiliary thrust bearing means for sustaining any resultant thrust on said shaft.

43. In a deep well rotary pump having vertical discharge pipes connected together in sections for discharging water pumped from the well, the combination of pumping means connected to the water discharge outlet, means for connecting the lower end of the water discharge outlet to the discharge pipes comprising a sleeve each end of which terminates in a lateral flange beveled at its inner edge portion to provide an annular packing space, flanged rings corresponding to the ends of said sleeve having reverse annular packing spaces, said parts being assembled discharge outlet comprising a sleeve each end of which terminates in a lateral flange beveled at its inner. edge portion to provide an annular packing space, flanged rings corresponding to the ends of said sleeves but having reversed and complementary packing spaces said parts being assembled about the adjacent ends of the Water discharge piping, and bolts for compressing packing between the assembled parts to form a fluidtight jointbetween the end of the well cas- 20 ing and the Water discharge outlet.

MATTHEW 'll. CHAPMAN. 

